Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 4.2 J 80 J 336 J 2268 J 4.2 J 80 J 336 J 2268 J ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following processes is responsible for the glittering of air bubble rising through water? Reflection of light Refraction of light Scattering of light Total internal reflection of light Reflection of light Refraction of light Scattering of light Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be R/5 5 R/4 5 R 4 R/5 R/5 5 R/4 5 R 4 R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics The shape of our milky way galaxy is Elliptical None of these Circular Spiral Elliptical None of these Circular Spiral ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Tungsten Nichrome Nickel Chromium Tungsten Nichrome Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Physics A mass of 20 kg is at a height of 8 m above the ground. Then the potential energy possessed by the body is: [Given g = 9.8 m/s2] 1568 J 1568 C 1568 N 1568 W 1568 J 1568 C 1568 N 1568 W ANSWER DOWNLOAD EXAMIANS APP
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